Related Clues:

• Cluster
• Wedlock, so to speak
• Speed unit
• Masseur's target
• Gut feeling?
• Shoelace problem
• Tough spot
• Shoelace woe
• Difficulty
• Unit of speed
• Hitch, e.g.
• Boy Scout's creation
• Pitch heavily at anchor
• Nautical unit
• Hole for an anchor rope